The backers of a new technology say it could ultimately neutralize 5 to 10 percent of the world’s CO2 emissions from coal.
Renewable energy continued making big gains.
It was the year of burgers that convincingly reproduce meat’s flavor compounds.
Glass bottles, plastic bottles, or aluminum cans? Advice columnist Umbra Fisk pours forth wisdom.
Evidence suggests that there is not just a moral, but a practical imperative to fight poverty.
The company's autonomous vehicles have a problem with making dangerous right-hook turns across bike lanes. So do humans.
A tiny town in Ecuador was in rough shape until residents and environmentalists came up with a successful business plan.
All over the world, environmental groups are trying to figure out how to balance nature and people in carbon-rich biodiversity hotspots.
Here's why environmentalists should cheer on the end of poverty.